Semiclassical approximation as a small-noise expansion

DOI10.1088/0305-4470/28/21/001zbMATH Open0877.60091OpenAlexW2022503637MaRDI QIDQ4340038

Marco Roncadelli, Antonio Defendi

Publication date: 26 November 1997

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1088/0305-4470/28/21/001

zbMATH Keywords

metastabilitytunnellingsemiclassical propagatorLangevin quantizationwhite noise average

Mathematics Subject Classification ID

Other physical applications of random processes (60K40) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20) Stochastic quantization (81S20)

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Semi-classical expansion of distribution function using modified Hermite polynomials for quantum gas

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